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DWYER AT-1800

Photo DWYER AT-1800 Description DWYER AT-1800 Specifications DWYER AT-1800 Model Chart DWYER AT-1800 User Manual for DWYER AT-1800 Related instruments to DWYER AT-1800

DWYER AT-1800 atex/iecex approved low differential pressure switch

DWYER AT-1800 atex/iecex approved low differential pressure switch

Essential for industrial environments, the Series AT-1800 ATEX/IECEx Approved Low Differential Pressure Switch combines small size with 2% repeatability. Set point adjustment inside the switch allows for set point settings across 9 ranges from the low of .07 in w.c. to a maximum 85 in w.c. differential pressure. Series AT-1800 flameproof enclosures are available in aluminum and are ideal for low pressure hazardous area applications. Various housing options such as an over-pressure relief valve or external set point adjustment knob are available. External set point knob allows adjustment without opening the enclosure.

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Made in USA. brand DWYER, model AT-1800

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

Available

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

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Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Description of DWYER AT-1800

Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.

Important notes for installation:
• Cables must be fitted through 1/2″ NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
• Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating.
• Open cover only after de-energizing instrument.
Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous areas.

PRODUCT APPLICATIONS

  • Hazardous area pressure switch
  • Process applications
  • Mechanical equipment control

FEATURES

  • Compact size and repeatability provides a high-value switch for many industrial applications
  • External set point knob provides easy access that simplifies making adjustments without opening enclosure
  • Flameproof enclosure protects the device in hazardous areas
  • Increased response time at low pressures with LD port configuration

Technical specifications of DWYER AT-1800

  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: Consult factory.
  • Temperature Limits: -30 to 180°F (-34 to 82.2°C); 1823-00, -20 to 180°F (-28.9 to 82.2°C) (Note: Product temperature limits differ from case).
  • Pressure Limits: See pressure limit chart on the catalog page.
  • Switch Type: SPDT.
  • Repeatability: ±2% FS.
  • Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.
  • Mounting Orientation: Diaphragm in vertical position.
  • Set Point Adjustment: Screw type inside mounting spud internal to switch. External set point adjustment knob optional.
  • Enclosure Rating: IP66.
  • Housing Material: Aluminum.
  • Finishing: Texture epoxy coat RAL7015.
  • Process Connections: 1/8″ NPT female brass (SS optional).
  • Electrical Connections: Two 1/2″ NPT female. Cable gland not included.
  • Weight: 10.5 lb (4.8 kg).
  • ATEX Certificate: INERIS 21ATEX0033X.
  • IECEx Certificate: IECEx INE 21.0064X.
  • Compliance: ATEX: 0080 II 2G Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) II 2D Ex tb IIIC T75 °C Db;
    IECEx: Ex db IIC T5, T6 Gb -60°C ≤Ta ≤+50°C (T6) -60°C ≤Ta ≤+60°C (T5) Ex tb IIIC T75°C Db.

Model Chart DWYER AT-1800

     SERIES AT-1800 SERIES PRESSURE SWITCH          
     
     AT-101NA-1823-X-XXXX  AT-1800 PR SW W/ ATEX ENCLOSURE
  
          1ST SYMBOL (1ST X) RANGE
             00    0.08 - 0.22 IN WC
             0     0.15 - 0.50 IN WC
             1     0.3 - 1.0 IN WC
             2     0.5 - 2.0 IN WC
             5     1.5 - 5.0 IN WC
             10    2.0 - 10.0 IN WC
             20    3.0 - 22.0 IN WC
             40    5.0 - 44.0 IN WC
             80    9.0 - 85.0 IN WC
  
          2ND SYMBOL (2ND X) COVER
             B     BLIND
  
          3RD SYMBOL (3RD X) PRESSURE PORT/VALVE MATERIAL
             1     BRASS
             2     STAINLESS STEEL
  
          4TH SYMBOL (4TH X) PRESSURE PORT/VENTING VALVE
             VS0   STD PRESSURE PORT 1/8” FEMALE NPT/NO VENTING VALVE
             VL0   LD PRESSURE PORT 1/8” FEMALE NPT/NO VENTING VALVE
             VS1   STD PRESSURE PORT 1/8” FEMALE NPT/STD VENTING VALVE
             VS2   STD PRESSURE PORT 1/8” FEMALE NPT/LD VENTING VALVE
             VL1   LD PRESSURE PORT 1/8” FEMALE NPT/LD VENTING VALVE

          4TH SYMBOL (4TH X) CABLE ENTRY
             12    1/2" NPT ANSI/ASME B1.20.1

User Guide and Instruction manual for DWYER AT-1800

You can request the necessary certificates, documentation, instructions and user guide for DWYER AT-1800 using the special form.

You can buy DWYER AT-1800 in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . DWYER AT-1800 price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.

See also: Pressure Switches